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WO2012016732A2 - Module photovoltaïque - Google Patents

Module photovoltaïque Download PDF

Info

Publication number
WO2012016732A2
WO2012016732A2 PCT/EP2011/059339 EP2011059339W WO2012016732A2 WO 2012016732 A2 WO2012016732 A2 WO 2012016732A2 EP 2011059339 W EP2011059339 W EP 2011059339W WO 2012016732 A2 WO2012016732 A2 WO 2012016732A2
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
layer
photovoltaic
photovoltaic module
module according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2011/059339
Other languages
German (de)
English (en)
Other versions
WO2012016732A3 (fr
Inventor
Wolfgang Volz
Uwe Clement
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of WO2012016732A2 publication Critical patent/WO2012016732A2/fr
Publication of WO2012016732A3 publication Critical patent/WO2012016732A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10—Substrates, e.g. flexible substrates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S2025/601—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by bonding, e.g. by using adhesives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/549—Organic PV cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to a photovoltaic module, with a photovoltaic layer, which is applied to a substrate, according to the preamble of claim 1.
  • DE 10 2007 034 252 A1 describes a photovoltaic module which comprises a substrate as support material and a photovoltaic layer applied to the substrate, comprising a base electrode directly on the surface of the substrate, an optically active layer and a cover electrode.
  • the substrate is made of paper or cardboard, which gives the substrate flexible deformability.
  • the invention has for its object to provide a simple construction and stable photovoltaic module with simple measures.
  • the photovoltaic module according to the invention has a substrate as a carrier element and an optically active photovoltaic layer applied to the substrate.
  • the substrate has a honeycomb structure, whereby the stability of the substrate and thus also of the entire photovoltaic module is significantly increased. This makes it possible to use lightweight materials for the substrate and still use them To obtain photovoltaic module with high stability. Due to the honeycomb structure, the substrate is substantially rigid and can be used for large-scale use of a plurality of cooperating, individual photovoltaic modules.
  • a photovoltaic layer is provided either per substrate, wherein a plurality of such photovoltaic modules can be interconnected, or a plurality of individual photovoltaic layers are arranged on a common, large-area substrate, in which case a plurality of photovoltaic modules can be coupled together.
  • honeycomb structure materials can be used, which would otherwise be flexibly deformable in a design as smooth layer.
  • the honeycomb structure provides such materials with sufficient strength to achieve a rigid structure.
  • the substrate formed in this way has a relatively low weight per unit area.
  • Photovoltaic modules with such substrates can be used for large-scale applications such as on roofs of industrial buildings, sports halls or in solar farms on fields. However, it is also possible a small-scale application, which nevertheless requires a minimum stability, for example, to substitute support structures by the photovoltaic module such as in vehicles, for example in the car roof.
  • the substrate may be both flat and non-planar, for example curved.
  • the photovoltaic layer is preferably flat or parallel to the surface on the substrate.
  • the substrate consists at least substantially of paper or cardboard, where appropriate, plastic or metal structures are also considered.
  • the use of paper or board for the substrate has the advantage of being light in weight and cost-effective to manufacture.
  • the substrate is expediently designed in three layers and comprises an upper and a lower cover layer, between which lies a honeycomb structure layer.
  • the three layers are preferably all made of the same material, preferably of paper or cardboard, wherein basically also a combination of different ner materials, for example, a production of the upper and lower cover layer of a first material and the intermediate honeycomb layer of a second, differing material.
  • a combination of paper and cardboard for example by the honeycomb layer made of paper and the two cover layers made of cardboard or vice versa.
  • the support element may be expedient to connect at least one support element to the substrate, for example a glass fiber mat, in order to increase the stability.
  • the support element is located either on one of the cover layers, on both cover layers, on the honeycomb layer, on a cover layer and an adjacent honeycomb layer or on all three layers.
  • both the individual layers may each be provided with a support element as well as two layers or all three layers may be reinforced by a common support element.
  • the photovoltaic layer may be formed both organically and inorganically as a solar cell. In the case of an organic version, this is characterized by a relatively low weight and good flexibility.
  • the photovoltaic module is designed to be rigid overall.
  • the flexibility of the organic photovoltaic layer makes it possible to cover non-planar substrate surfaces with the photovoltaic layer.
  • the strength and stability of the substrate is high enough to accommodate the increased weight, to provide sufficient rigidity for application, and to protect the cells (especially when using crystalline thick film cells) from breakage.
  • the substrate may be expedient to fill the honeycombs of the substrate partially or completely with a foam, which is preferably introduced into the honeycomb in the uncured state and then cured.
  • the foam is for example made of polyurethane and can be introduced in the composite spray molding (CSM) process.
  • the substrate expediently has a water-resistant coating, wherein optionally the coating additionally reduces the flammability.
  • the substrate in the embodiment of the substrate as a honeycomb cardboard or paper honeycomb, this advantageously has a weight of, for example, 15 g / m 2, including the coating.
  • connection of the photovoltaic layer to the substrate takes place for example by means of gluing, wherein both a continuous, flat adhesive layer and individual adhesive dots or an adhesive pattern can be provided.
  • connection such as positive connections, for example by means of a transparent film which is stretched over the photovoltaic layer and fixed to the substrate.
  • cover the photovoltaic layer with a rigid, UV-resistant and transparent layer or plate (for example, polycarbonate or Plexiglas) and connect to the substrate.
  • FIG. 1 is a side view of a photovoltaic module, with a substrate, on which an optically active photovoltaic layer is applied, wherein the substrate has a honeycomb structure in the interior,
  • FIG. 2 shows the photovoltaic module according to FIG. 1 in a perspective view
  • FIG. 3 is a detailed representation of the substrate in a perspective exploded view, consisting of an upper and lower cover layer and an intermediate honeycomb structure,
  • Fig. 5 shows another photovoltaic module, which is connected via adhesive dots or lines to the substrate.
  • a photovoltaic module 1 which has a substrate 2 as the carrier body and a photovoltaic layer 3 applied to the substrate 2 as the optically active layer.
  • the photovoltaic layer 3 is designed, for example, as a light and flexible organic layer.
  • the photovoltaic layer 3 fixedly connected to the upper side of the substrate 2 has a slightly smaller base area than the substrate, so that between the edge region of the photovoltaic layer 3 and the edge region of the substrate 2 a circumferential strip is formed which is free of the photovoltaic layer.
  • the substrate 2 of the photovoltaic module 1 has a honeycomb structure in the manner shown in FIG. 3 and consists of paper or cardboard.
  • the substrate 2 has three superimposed and interconnected layers, namely an upper cover layer 4, a lower cover layer 5 and an intermediate honeycomb layer 6.
  • the layers are bonded together by gluing.
  • the upper and lower cover layers 4 and 5 are smooth-surfaced
  • the honeycomb structure layer 6 has a honeycomb structure with a plurality of individual honeycombs, which extend between the upper and lower cover layers 4, 5.
  • the honeycomb triangular shape in principle, other cross-sectional shapes come into consideration, for example, hexagonal honeycomb or square honeycomb.
  • the thickness of the intermediate honeycomb structure 6 is significantly greater than the thickness of the cover layers 4 and 5. Due to the extension of the individual honeycombs between the layers 4 and 5, the substrate 2 in the loading direction orthogonal to the plane of the cover layers 4 and 5 has a high rigidity on. Also in the transverse direction, the substrate has an increased rigidity.
  • the substrate 2 is also provided with a honeycomb structure.
  • the photovoltaic layer 3 is covered by a transparent film 7 whose edge regions are connected to the substrate 2.
  • the photovoltaic layer 3 is connected to the substrate 2 by means of the film 7.
  • further fastening measures for connecting the photovoltaic layer in the substrate may be provided, but they are not absolutely necessary.
  • the photovoltaic layer 3 is connected to the substrate 2 via an adhesive bond 8.
  • the adhesive bond 8 is in the form of an adhesive pattern with areas exposed between different rows of adhesive, wherein in principle also a flat, continuous

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

L'invention concerne un module photovoltaïque comprenant une couche photovoltaïque qui est appliquée sur un substrat présentant une structure alvéolaire.
PCT/EP2011/059339 2010-08-04 2011-06-07 Module photovoltaïque Ceased WO2012016732A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010038869A DE102010038869A1 (de) 2010-08-04 2010-08-04 Photovoltaikmodul
DE102010038869.6 2010-08-04

Publications (2)

Publication Number Publication Date
WO2012016732A2 true WO2012016732A2 (fr) 2012-02-09
WO2012016732A3 WO2012016732A3 (fr) 2012-08-30

Family

ID=44626725

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/059339 Ceased WO2012016732A2 (fr) 2010-08-04 2011-06-07 Module photovoltaïque

Country Status (2)

Country Link
DE (1) DE102010038869A1 (fr)
WO (1) WO2012016732A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014128581A1 (fr) * 2013-02-25 2014-08-28 Sabic Innovative Plastics Ip B.V. Ensemble module photovoltaïque
DE102013010407A1 (de) * 2013-06-21 2014-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Solarmodul mit Rückseitenverstärkung
US9318463B2 (en) 2013-05-13 2016-04-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for producing a photovoltaic module

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106452300A (zh) * 2016-11-30 2017-02-22 上海卫星工程研究所 一种应用于小卫星太阳电池阵的轻质低成本基板

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007034252A1 (de) 2007-07-19 2009-01-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Modul und Verfahren zu seiner Herstellung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19848747C1 (de) * 1998-10-22 1999-10-28 Eurocopter Deutschland Solargenerator für Satelliten
US20070074755A1 (en) * 2005-10-03 2007-04-05 Nanosolar, Inc. Photovoltaic module with rigidizing backplane
DE102005057468A1 (de) * 2005-11-30 2007-05-31 Solarwatt Solar-Systeme Ag Photovoltaisches rahmenloses Solarmodul in Plattenform

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007034252A1 (de) 2007-07-19 2009-01-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Modul und Verfahren zu seiner Herstellung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014128581A1 (fr) * 2013-02-25 2014-08-28 Sabic Innovative Plastics Ip B.V. Ensemble module photovoltaïque
US9318463B2 (en) 2013-05-13 2016-04-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for producing a photovoltaic module
DE102013010407A1 (de) * 2013-06-21 2014-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Solarmodul mit Rückseitenverstärkung

Also Published As

Publication number Publication date
WO2012016732A3 (fr) 2012-08-30
DE102010038869A1 (de) 2012-02-23

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